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Airmar Wrench F/ B117 B150 B744v B744vl B765c Ss555 117WR-4

117WR-4 Transducer Housing WrenchA single-handed wrench that holds the main thru-hull housing via the ‘wrench flats’ on the side of the housing to facilitate tightening of the hull nut. For 2 bronze and stainless steel housings (P617V, B617V, SS617V).Use wrench 117WR-2 or 117WR-3 for the hull nut.*Note that this wrench will not fit on the CA500 camera housing.

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